Utility knife



FIG. 1 is a perspective view, partly in broken lines, of the utility knife showing our new design;

FIG. 2 is a front view of the utility knife of FIG. 1;

FIG. 3 is a rear view of the utility knife of FIG. 1;

FIG. 4 is a top plan view of the utility knife of FIG. 1;

FIG. 5 is a bottom plan view of the utility knife of FIG. 1;

FIG. 6 is a left side view of the utility knife of FIG. 1; and,

FIG. 7 is a right side front view of the utility knife of FIG. 1. 

The ornamental design for a utility knife, as shown and described. 